1541081994 has 32 divisors (see below), whose sum is σ = 3269989440. Its totient is φ = 482510592.

The previous prime is 1541081989. The next prime is 1541082043. The reversal of 1541081994 is 4991801451.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37077 + ... + 66759.

It is an arithmetic number, because the mean of its divisors is an integer number (102187170).

Almost surely, 2^1541081994 is an apocalyptic number.

1541081994 is an abundant number, since it is smaller than the sum of its proper divisors (1728907446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1541081994 is a wasteful number, since it uses less digits than its factorization.

1541081994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30214.

The product of its (nonzero) digits is 51840, while the sum is 42.

The square root of 1541081994 is about 39256.6172001613. The cubic root of 1541081994 is about 1155.0707387195.

The spelling of 1541081994 in words is "one billion, five hundred forty-one million, eighty-one thousand, nine hundred ninety-four".